Flora of North America species comparison

0–20 mm.

0–30 mm, often branched.

(80–)100–400(–550) × (5–)10–35(–40) mm;

blade oblanceolate or almost linear, margins entire, veins conspicuous, 4 or 5, surfaces glabrous.

10–230 × 0.5–12 mm;

blade linear or narrowly elliptic, margins toothed, veins conspicuous or not, surfaces villous or lanate to sericeous.

300–400 mm, glabrous or sparsely hairy, becoming densely so distally.

10–400 mm, hairy, hairs woolly, long.

greenish or brownish, 350–450 mm, loosely flowered;

bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals.

grayish or brownish, 20–400 mm, densely flowered, flowers in spirals;

bracts ovate or elliptic, 1.7–4 mm, length 0.8–1.2 times sepals, apex not reached by green nerve.

sepals 1.5–2 mm;

corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse;

stamens 4.

sepals 1.9–3.5 mm;

corolla radially symmetric, lobes reflexed, 1.3–2.8 mm, base cuneate;

stamens 4.

ovoid, indehiscent or dehiscence not circumscissile.

1 or 2, 4–5 mm.

2, 2–2.6 mm.

= 24.

= 8.